354010120505 has 4 divisors (see below), whose sum is σ = 424812144612. Its totient is φ = 283208096400.

The previous prime is 354010120489. The next prime is 354010120523. The reversal of 354010120505 is 505021010453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44042898496 + 309967222009 = 209864^2 + 556747^2 .

It is not a de Polignac number, because 354010120505 - 2⁴ = 354010120489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35401012046 + ... + 35401012055.

It is an arithmetic number, because the mean of its divisors is an integer number (106203036153).

Almost surely, 2^354010120505 is an apocalyptic number.

It is an amenable number.

354010120505 is a deficient number, since it is larger than the sum of its proper divisors (70802024107).

354010120505 is an equidigital number, since it uses as much as digits as its factorization.

354010120505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70802024106.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 354010120505 its reverse (505021010453), we get a palindrome (859031130958).

The spelling of 354010120505 in words is "three hundred fifty-four billion, ten million, one hundred twenty thousand, five hundred five".